一种金属卟啉MOFs PCN‑224(Mn)/Cu(II)盐协同催化氧化环烷烃的方法,将PCN‑224(Mn)(0.001%～5%,g/mol)和Cu(II)盐(0.01%～10%,mol/mol)分散于环烷烃中,密封反应体系,搅拌下升温至90～150℃,通入氧化剂,保持设定的温度和压力,搅拌反应2.0～24.0h,之后反应液经后处理,得到产物环烷基醇和环烷基酮。
近期,江苏省农业科学院植保所刘凤权研究员团队共同完成的题为“Identification ofFusarium cugenangenseas a causal agent of wilt disease onPyrus pyrifoliain China”的研究论文在Journal of Integrative Agriculture”的研究在Journal of Int...
本文基于在弱酸性的介质中,Cu(Ⅱ)能较好地催化溴酸钾氧化还原型罗丹明B此一显色反应,从而建立了一个测定痕量铜的新方法。本方法的灵敏度为8×10- 9 g·m L- 1 ,线性范围为0～0.5 μg/25m L,已用于水及若干蔬菜中痕量铜的测定,结果满意。关键...
[2012·合肥二模]部分氧化的Fe-Cu合金样品共5.76g.经如下处理:下列说法正确的是A.滤液A中的阳离子为Fe2+.Fe3+.H+B.V=224C.样品中CuO的质量为4.0g D.V=448
(Box 16) și/sau Salariul locale (Box 18) nu se potrivesc cu salariul federal (Caseta 1) de pe formularele Payroll W2 CAUSE 1. Cantitățile incorecte de salarii locale/statale au fost inițializate incorect atunci când config...
doi:US2365228 A中国信息技术软件产业国际化CASE STUDY OF NCR'S SYSTEMEDIA GROUP CONTRACT WITH THIRD-PARTY FIRM ADP LOGISTICS FOR WAREHOUSING AND INFORMATION SYSTEMS.Sosnowski, Andrzejtime of culture
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Hard metal WC – Co and carbon steel were successfully joined using double layered Cu alloy and amorphous Ni alloy as inert metal and an oil cooling method after brazing. Defects such as cracks and voids were not formed near the bonded zone. This result means that double layered insert metals...